ST10F276E
Central processing unit (CPU)
Table 38. Standard instruction set summary (continued)
Mnemonic Description
Jump relative if direct bit is (not) set
Bytes
J(N)B
JBC
4
4
4
Jump relative and clear bit if direct bit is set
Jump relative and set bit if direct bit is not set
JNBS
CALLA, CALLI,
CALLR
Call absolute/indirect/relative subroutine if condition is met
Call absolute subroutine in any code segment
4
4
4
CALLS
PCALL
Push direct word register onto system stack and call absolute
subroutine
TRAP
Call interrupt service routine via immediate trap number
Push/pop direct word register onto/from system stack
2
2
PUSH, POP
Push direct word register onto system stack and update register
with word operand
SCXT
4
RET
Return from intra-segment subroutine
Return from inter-segment subroutine
2
2
RETS
Return from intra-segment subroutine and pop direct word register
from system stack
RETP
2
RETI
Return from interrupt service subroutine
Software Reset
2
4
SRST
IDLE
Enter Idle Mode
4
PWRDN
SRVWDT
DISWDT
EINIT
Enter Power Down Mode (supposes NMI-pin being low)
Service Watchdog Timer
4
4
Disable Watchdog Timer
4
Signify End-of-Initialization on RSTOUT-pin
Begin ATOMIC sequence
4
ATOMIC
EXTR
2
Begin EXTended Register sequence
Begin EXTended Page (and Register) sequence
Begin EXTended Segment (and Register) sequence
Null operation
2
EXTP(R)
EXTS(R)
NOP
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2
Doc ID 12303 Rev 3
75/235
STMICROELECTRONICS [ ST ]
